use default c++ if specified (#48)

d93b2067 · Jay · GitHub · 1953d1fa · d93b2067
Commit d93b2067 authored Oct 09, 2016 by Jay Committed by GitHub Oct 09, 2016
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build.sh librocksdb_sys/build.sh +8 -6

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--- a/librocksdb_sys/build.sh
+++ b/librocksdb_sys/build.sh
@@ -120,12 +120,14 @@ function compile_rocksdb() {
 }

 function find_stdcxx() {
-    if g++ --version &>/dev/null; then
-        CXX=g++
-    elif clang++ --version &>/dev/null; then
-        CXX=clang++
-    else
-        error failed to find valid cxx compiler.
+    if [[ "$CXX" = "" ]]; then
+        if g++ --version &>/dev/null; then
+            CXX=g++
+        elif clang++ --version &>/dev/null; then
+            CXX=clang++
+        else
+            error failed to find valid cxx compiler.
+        fi
    fi

    $CXX --print-file-name libstdc++.a